Air conditioning window unit support device



FIG. 1 is a front elevational view of the air conditioning window unit support device showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an air conditioning window unit support device, as shown and described. 